Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/af9236f36ec3
Author: Dale Harvey <dale@arandomurl.com>
Desc: Bug 1117970 - Reland - Pick Search provider from search app. r=alive, r=benfrancis

This reverts commit 0244121522343877d65a69377226a836688e3004.

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "d93a7f38449c7849e7724fbcc6f2557813b11248", 
+        "git_revision": "6fb78df35017173bf055c6a5511dd91d2c874598", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "13c50d88b148d5f5e87261b863836e46e63d9535", 
+    "revision": "af9236f36ec35ee1daea8ac77bc0095b4fbf1b9c", 
     "repo_path": "integration/gaia-central"
 }